<template>
  <div class="text-editor">
    <Toolbar
      style="border-bottom: 1px solid #ccc"
      :editor="editorRef"
      :defaultConfig="toolbarConfig"
      :mode="mode"
    />
    <Editor
      style="height: 300px; overflow-y: hidden"
      v-model="valueHtml"
      :defaultConfig="editorConfig"
      :mode="mode"
      @onCreated="handleCreated"
    />
  </div>
</template>

<script>
import "@wangeditor/editor/dist/css/style.css"; // 引入 css

import { onBeforeUnmount, ref, shallowRef, onMounted, watch } from "vue";
import { Editor, Toolbar } from "@wangeditor/editor-for-vue";

export default {
  name: "textEditor",
  components: { Editor, Toolbar },
  props: {
    resourceData: {
      type: String,
      default: "",
    },
  },
  setup(props) {
    // 编辑器实例，必须用 shallowRef
    const editorRef = shallowRef();

    // 内容 HTML
    const valueHtml = ref("");

    // 模拟 ajax 异步获取内容
    onMounted(() => {});

    const toolbarConfig = {};
    const editorConfig = { placeholder: "请输入内容..." };

    // 组件销毁时，也及时销毁编辑器
    onBeforeUnmount(() => {
      const editor = editorRef.value;
      if (editor == null) return;
      editor.destroy();
    });

    const handleCreated = (editor) => {
      editorRef.value = editor; // 记录 editor 实例，重要！
    };

    const getParam = () => {
      const editor = editorRef.value;
      const param = {
        html: editor.getHtml(),
        text: editor.getText(),
      };
      return param;
    };

    const setHtml = (value) => {
      const editor = editorRef.value;
      if (editor === null) return;

      editor.setHtml(value);
    };

    watch(
      () => props.resourceData,
      (_val) => {
        setHtml(_val);
      }
    );

    return {
      editorRef,
      valueHtml,
      mode: "simple",
      toolbarConfig,
      editorConfig,
      handleCreated,
      getParam,
    };
  },
};
</script>

<style lang="scss" scoped>
.text-editor {
  border: 1px solid #ccc;
}
</style>
